859266 has 12 divisors (see below), whose sum is σ = 1861782. Its totient is φ = 286416.

The previous prime is 859259. The next prime is 859267. The reversal of 859266 is 662958.

859266 is a `hidden beast` number, since 8 + 592 + 66 = 666.

It can be written as a sum of positive squares in only one way, i.e., 848241 + 11025 = 921^2 + 105^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 859266.

It is not an unprimeable number, because it can be changed into a prime (859267) by changing a digit.

859266 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23851 + ... + 23886.

2⁸⁵⁹²⁶⁶ is an apocalyptic number.

859266 is an abundant number, since it is smaller than the sum of its proper divisors (1002516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

859266 is a wasteful number, since it uses less digits than its factorization.

859266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47745 (or 47742 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 859266 is about 926.9660187946. The cubic root of 859266 is about 95.0697917436.

The spelling of 859266 in words is "eight hundred fifty-nine thousand, two hundred sixty-six".